A cause would be the arrival of the Portuguese on the coast of Benin
They started domesticating wheat. This wasn't their main feat however since they also started herding sheep and domesticating goats. These two enabled them to stop moving around like nomads and make a real civilization in the area which resulted in what is now known as history.
Televisions is the answer.
The correct answer is A. Companies improve their productivity using money from investments.
Explanation
An investment is an economic concept to refers to a contribution of capital (money or other) to obtain a future profit. This placement supposes an election that resigns an immediate benefit for a future one. On the other hand, productivity is an economic term that refers to a measure that determines the profit obtained from the goods or services produced concerning the minimum indispensable production quota. According to the above, when a company has enough capital, it invests it to improve its production, advertising, sales equipment, among others, to obtain better production processes and see that improvement reflected in its profits. For example, a company that makes T-shirts may invest in sewing machines and employees to produce more T-shirts and earn higher profits. So the correct answer is A.
